Version 2.0.0 beta 2

• Fix an error when docker hub failed to anwser
• Fix an issue with Docker and IOU packet capture
• Support aiohttp 1.2 (but not compatible with previous versions)
• Support UDP cloud from 1.5
• Relax permission check on OSX, it seem returning wrong info for setuid
• Fix start all create error if a docker container is already running
• Close project if one one the compute of the project is down
• Fix error when you upload an empty file
• Fix KeyError: 'color' when converting some 1.3 topologies
• Fix move a docker restart it
• Fix export of projects with docker with a / in the image name
• Fix an error on Linux during export
• Fix hot link issues in Docker
• Fix Can't delete link between docker VM after they were in use
• Fix hardware virtualization detection when an ethernet switch is running
• Trust user for host binding of link adress
• Code cleanup for docker interface creation
• Fix a rare crash when writing a file on a remote server
• Fix delete project on remote compute server
• Fix trouble with builtin devices when we free ports
• When a dynamips command failed display the full command to the user
• Raise error when we can't found VboxManage at GNS3 VM startup
• Catch auth errors when adding a compute
• Do not block server startup if one project use non implemented conversion
• Fix an error when deleting a compute already deleted
• Catch cancelled error when you Ctrl-C during server initalisation
• Handle OSerror when listing images
• Fix a rare crash when stopping qemu
• Improve docker HTTP console
• Fix configuration lost during save as on remote server
• Add support for bios images
• Fix error when controller config file is corrupted